Fixing an MSVC conversion warning about implicitly converting the shift results to...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213863 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp
index 635117ff0b98c5b7e268daf1c35efb7cca772a7f..a651eacd1bb03747f5599e1391b5af5b143f5f4f 100644 (file)
--- a/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -3627,7 +3627,7 @@ Value *SwitchLookupTable::BuildLookup(Value *Index, uint64_t TableSize,
     case ArrayKind: {
       // Make sure the table index will not overflow when treated as signed.
       if (IntegerType *IT = dyn_cast<IntegerType>(Index->getType()))
-        if (TableSize > (1 << (IT->getBitWidth() - 1)))
+        if (TableSize > (1ULL << (IT->getBitWidth() - 1)))
           Index = Builder.CreateZExt(Index,
                                      IntegerType::get(IT->getContext(),
                                                       IT->getBitWidth() + 1),